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UNITED STATES PATENT OFFICE.

WILLIAM B. PETERSON, OF PHILADELPHIA, PENNSYLVANIA, ASSIGNOR OF ONE-HALF TO JOSEPH GOLDSMITH, OF SAME PLACE.

PROCESS OF MANUFACTURING DETERGENT COMPOUNDS.

SPECIFICATION forming part of Letters Patent No. 536,480, dated March 26, 1895.

Application filecl June22, 1894. Serial No. 515,417. (No specimens.)

To all whom it may concern.-

Be it known that I, WILLIAM B. PETERSON, a citizen of the United States of America, residing at Philadelphia, in the county of Philadelphia and State of Pennsylvania, have invented a new and useful Process of Making a Cleansing and Polishing Compound, of which the following is a specification.

My invention relates to a new and useful process of making a cleansing and polishing compound, said compound being designed for use in cleansing and polishing metals and in cleaning paintedor varnished woodwork.

The invention, broadly stated, consists in boiling a quantityof a fixed oil, and while the same is boiling adding thereto at regular intervals, first, caustic potash of a given strength, then a less quantity of caustic potash of greater strength, then caustic soda, then rosin, and then carbonate of potash, and finally, while the mass is cooling, addi nga suitable abrasive material.

I take of a suitable fixed oil, preferably linseed-oil, twelve parts, and boil it. While boiling I add at regularintervals seven parts of caustic potash 15 Baum, five parts of caustic potash 22 Baum, five parts of caustic soda 22 Baum, (these alkalies having been previously reduced to the above-stated conditions by the addition of water,) one part of resin, and one part of carbonate of pot ash. This produces a homogeneous soap-like mass of a highly detergent nature; and to this mass, while cooling, I add the abrasive material, preferably pulverized rotten stone, in the proportions of two parts of the latter to three parts of the saponified material.

The compound thus formed may be either liquid or in the nature of a paste, the latter form being attained by simply boiling the mass down to the desired consistency. In either form it is highly valuable for its cleansing and polishing qualities when applied to gold, silver, copper, brass, tinware, or other metals, as well'as to painted or varnished Woodwork.

This compound is used by rubbing it over the surface to be cleansed with a woolen cloth, and. then wiping it off with a clean cloth.

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-'- 1. The process of making a cleansing and polishing compound, consisting in boiling a quantity of a fixed oil, and while the same is boiling adding thereto at regular intervals, first, caustic potash of a given strength, then a less quantity of caustic potash of greater strengthflhen caustic'soda, then rosin, and then carbonate of potash, and finally, while the mass is-coolin g, adding a suitable abrasive material.

2. lhe process of making a cleansing and polishing compound, consisting in boiling linseed oil, twelve parts, and while the same is boiling adding thereto at regular intervals,

first, seven parts of caustic potash 15 Baum, then five parts caustic potash 22 Baum, then five parts caustic soda 22 Baum, then one part rosin, and then one part carbonate of potash, and finally, while the mass is cooling, adding twenty parts pulverized rotten stone.

In testimony whereof I affix my signature in presence of two witnesses.

WILLIAM B. PETERSON. Witnesses:

WM. WAGNER, J r., JULIUS R DELsHEIMER. 

